Buenos Aires, Argentina: an activist wears a jacket with photos of Ernesto 'Che' Guevara, right, and Eva Peron, known as Evita, during a rally to mark the 29th anniversary of the country's return to democracy

London, England: a waxwing flies from a Rowan tree carrying a berry in its beak. Thousands of waxwings have descended on Great Britain after the failure of the birds' food sources in their native Scandinavian breeding grounds